THE DEC APOD A 311 



Sub-Family Aristeinae. Aristeus, Duvernoy (Fig. 168, p. 289); 

 Benthcsicymus, Spence Bate. Sub- Family Sicyoninae. Sicyonia, H. 

 ^lilne-Edward*. Sub-Family Penakinak. Penaeus, Fabricius; Solenocera, 

 Lucas. Family Sergestidak. Sub-Family Sergestinae. Serrjestes, H. 

 Milne- Edwards. Sub-Family Leucikerixae. Leucifer, H. Milne-Edwards 

 { — Lucifer, J. V. Thompson). [Sub-Family Ami'HIONInae. Amphio7i, 

 H. Milne-Edwards. (The validity and the systematic, place of this genus 

 are still doubtful.)] 



Tribe 2. Caridea. 



Pleura of second abdominal .somite overL'qiping those in front ; 

 antennae generally with stylocerite; mandibular palp, if present, straight ; 

 first maxillipeds with expan.sion at base of exopodite, endopodite short ; 

 second ma.^illipeds usually with la.st segment articulating laterally with 

 preceding ; third maxillipeds with four to six segments ; third legs never 

 chelate ; first pleopods of male without petasma ; gills phyllobranchiate. 



Family Pasiphaeidae. Pasij^haea, Savigny ; Psaihyrocaris, "Wood- 

 Mason (Fig. 160, p. 270). Family Bresiliidae. Bresilia, Caiman. 

 Family Hoplophoridae (Acaxthephyridae). Hoploj^honis, H. Milne- 

 Edwards ; Acanthei)hyra, A. Milne-Edwards. Family Xematocarcinidae. 

 Nematocarcinus, A. Milne-Edward-s. Family Atyidae. Atya, Leach ; 

 Garidma, H. Milne-Edwards ; Limnocaridina, Caiman. Family Stylo- 

 dactylidae. Stylodadylus, A. Milne-Edward.s. Family Psalidopodidae. 

 Psalidopus, Wood -Mason and Alcock (Fig. 163, p. 272). Family 

 Pandalidae. Sub-Family Pandalinae. Pa7idalu.% Leach ; Heterocarpus, 

 A. Milne-Edwards (Fig. 148, p. 259) ; Pandalina, Caiman. Sub-Family 

 Thalassocarinae. Tlinlnssocaris, Stimpson. Family Alpheidae. 

 Alpheus, Fabi'icius ; Athanas, Leach. Family Hippolytidae. Htpjyolyte, 

 Leach {=l'irhiHs, Stimpson); Spiroidocaris, Spence Bate; Latreutes, 

 Stimpson. Family Rhynchocinetidae. Rhynchocinetes, H. Milne- 

 Edwards. Family Palaemonidae. Sub -Family Palaemoninae. 

 Palaemov, Fabricius; Palaemonetex, Heller; Leander, Desmarest. Sub- 

 Family PoNTONiiNAE. Poiitouia, Latreille ; Typfon, Costa. Sub-Family 

 Hymenocerinae. Hymenocera, Latreille. Family Gnathophyi.i.idae. 

 Gnaihophyllnw, Latreille. Family Processidae. Procensa, Leach (Xika, 

 Ilisso). Family Glyphocrangonidae. Ghiphocmngon, A. Milne-Edwards. 

 Family Crangoxidae. Cramjon, Faliricius ; Paracranyon, Dana. 



Tribe 3. Stexopidea. 



Pleura of second abduniiual somite not overlapping those in front ; 

 antennae without stylocerite ; mandibular palp curved inwards ; first 

 maxillipeds without expansion at base of exopodite, endopodite short ; 

 second maxillipeds with terminal segments normal ; third maxillipeds 

 with seven segments ; third legs chelate, one or both much longer and 

 stouter than first two pairs ; first pleopods of male without petasma ; 

 gills trichobranchiate. 



Family Stenopidae. Stenopus^ Latreille ; Spongicola, de Haan. 



